Finding the Fourth Proportional to 978.32, 1,466.94 and 670.52

Step by Step Solution

1. Step 1: Write the proportion equation
   978.32 : 1,466.94 = 670.52 : x
2. Step 2: Convert to fraction form
   978.32/1,466.94 = 670.52/x
3. Step 3: Cross multiply
   978.32x = 1,466.94 × 670.52
4. Step 4: Simplify right side
   978.32x = 983,612.61
5. Step 5: Solve for x
   x = 983,612.61/978.32
6. Step 6: Final answer
   x = 1,005.41